... Tonight's Sky . ... The Magazine . News . Observing . ... Magazine . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Open cluster NGC 2818, spiral galaxy NGC 2964, and spiral galaxy NGC 2976 . ... Astronomy for Kids . ... December 2012 . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ... Astronomy Magazine . ...
... Tonight's Sky . ... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... The Magazine . ... Observing . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Open cluster NGC 2818, spiral galaxy NGC 2964, and spiral galaxy NGC 2976 . ... Astronomy for Kids . ... September 2012 . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter....
. Neil Armstrong lost his 2-year-old daughter, Muffie, to a brain tumor. Imagining how she would have liked to slide down this crater, he named it after her. NASA
. As Neil Armstrong left the lunar surface, he imagined that the American flag he and Buzz Aldrin has planted on the Moon would give the same frozen wave for years to come. (The flag actually tipped over due to the the exhaust from the ascent module's engine as the astronauts departed.) . NASA
... Reader Photo Gallery . ... Comet PANSTARRS photo gallery . ... FULL SCREEN . ... Borut Prasnikar from Skofja Loka, Slovenia, took this image of Comet PANSTARRS at Krizna Gora, Slovenia, on March 21. ... Raymond Maher of Maurice River Township, New Jersey, sent in a shot of Comet PANSTARRS he took in Belleplain State Forest, New Jersey, at 8:06 p.m. EDT on the evening of March 15. ... David Psaila from Sydney, Australia, took this image of Comet PANSTARRS on March 5, 2013, at 8:30 p.m. local time. ...
... Tonight's Sky . ... The Magazine . ... Observing . ... Supernova showered Earth with radioactive debris . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... How to observe meteor showers . ... This video is available to registered members of Astronomy.com. ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...
... Observing . ... Observing springtime deep-sky objects with a large telescope . Springtime observing for small telescopes . ... Astronomy 101 . ... Loosen the screw locks on your finder scope s mounting bracket (see your telescope s manual), and then position the finder scope so the object that s centered in your scope also is centered in your finder. ... For higher precision, replace the low-power eyepiece in your telescope with one that provides higher magnification, then refine the alignment. ...
... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... Moon . ... Astronomy for Kids . ... Springtime observing for small telescopes . ... Moon Maps . ... How one small step became a giant leap . ... A billion people watched astronaut Neil Armstrong step onto the lunar surface in 1969. ... Neil sensed that if he came back to this same location on the Moon a million years from now, he would find the scene as he had left it. ... Only registered members of Astronomy.com are allowed to comment on this...
. Neil Armstrong s stay on the Moon was not a leisurely one, as he and Buzz Aldrin had to investigate the alien geography and set up seismographs and other devices that would remain there. NASA
. Left on the Eagle lander on the Moon s surface, this plaque reads, Here men from the planet Earth first set foot upon the Moon July 1969, a.d. We came in peace for all mankind. NASA
. In late June, mission scientists combined black-and-white images with lower-resolution color data to show Pluto and Charon in greater detail. NASA/JHUAPL/SwRI
... Tonight's Sky . ... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . Sun . ... News . ... Sky this Month . ... Observing springtime deep-sky objects with a large telescope . ... Pan-STARRS telescope spots new distant comet . ... Astronomers at the University of Hawaii at Manoa have discovered a new comet that they expect will be visible to the naked eye in early 2013. ... The Pan-STARRS 1 telescope on Haleakala, Maui, found a new distant comet, designated C/2011 L4, on the night of June 5/6. ...
... Observing . ... Observing springtime deep-sky objects with a large telescope . Springtime observing for small telescopes . ... Astronomy 101 . ... Knowing how to use your telescope before you head outdoors will enable you to use your observing time efficiently. ... And regarding observing, the telescope s function is to deliver the maximum amount of an object s light to your eye, so you don t want to lose light from flipping the image. ... Can I use my telescope for views of earthly objects? ...
... Tonight's Sky . ... SET т?? ... News . Observing . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... Astronomy for Kids . ... Year of Pluto . ... New Horizons sets its sights on Pluto flyby . ... New findings from New Horizons shape understanding of Pluto and its moons . ... Only registered members of Astronomy.com are allowed to comment on this article. ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...
... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... Moon . ... Astronomy for Kids . ... Astronomy 101 . ... How one small step became a giant leap . ... A billion people watched astronaut Neil Armstrong step onto the lunar surface in 1969. ... In the lunar dust, Neil and Buzz placed mementos for the five deceased American and Russian space flyers, and one small cargo private and honorable carried by Neil. ... Only registered members of Astronomy.com are allowed to comment on this article. ...
. After Neil Armstrong stepped from the Apollo 11 lunar module onto the Moon s surface, he watched Buzz Aldrin descend Eagle s ladder and land for the first time on nonterrestrial territory. NASA
. At its closest approach July 14, New Horizons will pass just 7,700 miles (12,500 kilometers) from Pluto's surface and about twice as far from Charon. Times along the craft's trajectory are in Eastern Daylight Time. Astronomy : Roen Kelly
. In this iconic picture that includes Neil Armstrong s first steps on the Moon, Buzz Aldrin s helmet reflects Armstrong s shadow and image, as well as that of the lunar lander that they set on the surface. NASA